Home / 165,949,778.70-229,004,691.89-91,608,743.48

Finding the Fourth Proportional to 165,949,778.70, 229,004,691.89 and 91,608,743.48

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Solution

The fourth proportional to 165,949,778.70, 229,004,691.89 and 91,608,743.48 is: 126,416,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,949,778.70 : 229,004,691.89 = 91,608,743.48 : x
  2. Step 2: Convert to fraction form
    165,949,778.70/229,004,691.89 = 91,608,743.48/x
  3. Step 3: Cross multiply
    165,949,778.70x = 229,004,691.89 × 91,608,743.48
  4. Step 4: Simplify right side
    165,949,778.70x = 20,978,832,073,464,376
  5. Step 5: Solve for x
    x = 20,978,832,073,464,376/165,949,778.70
  6. Step 6: Final answer
    x = 126,416,752.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.